Dentition Developed Imaging for Accurate 3D Dental Positioning
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Solution Overview
Problem
Existing technologies face difficulties in accurately designating the appropriate position for detailed observation in panoramic tomographic images of dentition, particularly in the buccolingual direction.
Innovation Solution
An image processing apparatus and method that generates three-dimensional image data of dentition constituent tissue, identifies segmentable regions, and develops a dentition image to display these regions at corresponding positions, allowing for precise setting of detail observation images based on predetermined rules.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If panoramic tomographic image is used for position designation, then overview of dentition is obtained, but positional accuracy in buccolingual direction deteriorates
Solution Approach 1:
The patent transitions from two-dimensional panoramic tomographic images to three-dimensional CT image data, adding the buccolingual dimension to the coordinate system. This enables precise position designation in all three spatial dimensions (mesiodistal, buccolingual, and occlusogingival directions) while maintaining the ability to display comprehensive dental arch overviews through developed images.
2Measurement precision
If three-dimensional image data is used, then positional accuracy is improved, but ease of operation deteriorates
Solution Approach 1:
The patent creates a two-dimensional developed image that copies and represents the three-dimensional dental structure in an expanded, flattened view. This developed image serves as an intuitive interface for position designation, allowing users to easily select positions on the 2D representation while the system internally maps these selections to precise three-dimensional coordinates in the original CT data.
Solution Approach 2:
The developed image acts as an intermediary between the user and the complex three-dimensional CT data. Users interact with the simplified 2D developed image for position designation, while the system automatically handles the coordinate transformation and mapping to the 3D space, shielding users from the complexity of three-dimensional coordinate systems.
Data Source
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AI summary
An image processing apparatus includes a storage storing image data obtained by CT imaging of dentition constituent tissue, a processor, and a display. The processor generates three-dimensional image data of the dentition constituent tissue, identifies a segmentable region in the dentition constituent tissue, identifies a three-dimensional position of the segmentable region in a coordinate system of the three-dimensional image, generates a dentition developed image, identifies a segmentable region corresponding position corresponding to the three-dimensional position in the dentition developed image, and displays, on the display, the dentition developed image in which the segmentable region is displayed at the segmentable region corresponding position. By designation of the segmentable region corresponding position in the dentition developed image, on the basis of a correspondence between the segmentable region corresponding position and the three-dimensional position, a detail observation image of the segmentable region is generated, and a detail observation reference position that is a reference position for generating the detail observation image is determined according to a predetermined rule.